IMPROVEMENT OF WATER USE EFFICIENCY THROUGH POTASSIUM APPLICATION IN LEPIDIUM SATIVUM LINN. A MEDICINAL PLANT WITH SPECIAL REFERENCE TO RATE OF PHOTOSYNTHESIS AND STOMATAL CONDUCTANCE

IMPROVEMENT OF WATER USE EFFICIENCY THROUGH POTASSIUM APPLICATION IN LEPIDIUM SATIVUM LINN. A MEDICINAL PLANT WITH SPECIAL REFERENCE TO RATE OF PHOTOSYNTHESIS AND STOMATAL CONDUCTANCE